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Mirrors > Home > ILE Home > Th. List > Mathboxes > bj-inf2vnlem3 | Unicode version |
Description: Lemma for bj-inf2vn 13161. (Contributed by BJ, 8-Dec-2019.) (Proof modification is discouraged.) |
Ref | Expression |
---|---|
bj-inf2vnlem3.bd1 | BOUNDED |
bj-inf2vnlem3.bd2 | BOUNDED |
Ref | Expression |
---|---|
bj-inf2vnlem3 | Ind |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | bj-inf2vnlem2 13158 | . . 3 Ind | |
2 | bj-inf2vnlem3.bd1 | . . . . . 6 BOUNDED | |
3 | 2 | bdeli 13033 | . . . . 5 BOUNDED |
4 | bj-inf2vnlem3.bd2 | . . . . . 6 BOUNDED | |
5 | 4 | bdeli 13033 | . . . . 5 BOUNDED |
6 | 3, 5 | ax-bdim 13001 | . . . 4 BOUNDED |
7 | nfv 1508 | . . . 4 | |
8 | nfv 1508 | . . . 4 | |
9 | nfv 1508 | . . . 4 | |
10 | nfv 1508 | . . . 4 | |
11 | eleq1 2200 | . . . . . 6 | |
12 | eleq1 2200 | . . . . . 6 | |
13 | 11, 12 | imbi12d 233 | . . . . 5 |
14 | 13 | biimpd 143 | . . . 4 |
15 | eleq1 2200 | . . . . . 6 | |
16 | eleq1 2200 | . . . . . 6 | |
17 | 15, 16 | imbi12d 233 | . . . . 5 |
18 | 17 | biimprd 157 | . . . 4 |
19 | 6, 7, 8, 9, 10, 14, 18 | bdsetindis 13156 | . . 3 |
20 | 1, 19 | syl6 33 | . 2 Ind |
21 | dfss2 3081 | . 2 | |
22 | 20, 21 | syl6ibr 161 | 1 Ind |
Colors of variables: wff set class |
Syntax hints: wi 4 wo 697 wal 1329 wceq 1331 wcel 1480 wral 2414 wrex 2415 wss 3066 c0 3358 csuc 4282 BOUNDED wbdc 13027 Ind wind 13113 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2119 ax-bdim 13001 ax-bdsetind 13155 |
This theorem depends on definitions: df-bi 116 df-tru 1334 df-nf 1437 df-sb 1736 df-clab 2124 df-cleq 2130 df-clel 2133 df-nfc 2268 df-ral 2419 df-rex 2420 df-v 2683 df-un 3070 df-in 3072 df-ss 3079 df-sn 3528 df-suc 4288 df-bdc 13028 df-bj-ind 13114 |
This theorem is referenced by: bj-inf2vn 13161 |
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